India's highest court has ordered federal investigators to look into more than 1,500 extrajudicial killings in the northeastern state of Manipur.

The Supreme Court has asked Central Bureau of Investigation to determine if the army, paramilitary and police wrongfully killed civilians over the past 40 years.

Rights groups say government forces are misusing a controversial anti-insurgency law.

Al Jazeera's Paul Chaderjian reports.

Asia Pacific, India